/* ============================================================
   ARECH Image Gallery — block-35 view.css
   Triple-source <picture> per item, grid-3 or grid-4 layout,
   optional click-to-fullsize (native anchor, no JS library).
   All values reference design-system-v1.md tokens.
   ============================================================ */

.arech-ig {
    padding-block: var(--space-9);
    padding-inline: var(--container-px);
}
.arech-ig--theme-paper-2 { background-color: var(--paper-2); color: var(--ink-1);}
.arech-ig--theme-paper-1 { background-color: var(--paper-1); color: var(--ink-1);}
.arech-ig--theme-dark    { background-color: var(--dark); color: var(--off-white); }

.arech-ig__inner {
    /* S72 canonical multi-element box: gutter on the band (.arech-ig),
       inner capped at --container, no inner padding. Renders identically
       to the prior calc() form. */
    max-width: var(--container);
    margin-inline: auto;
}

.arech-ig__eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orange);
    margin: 0 0 var(--space-3);
}

.arech-ig__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(28px, 4vw, 48px);
    line-height: 1.1;
    margin: 0 0 var(--space-4);
    max-width: 26ch;
}

.arech-ig__intro {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    max-width: 64ch;
    margin: 0 0 var(--space-7);
    opacity: 0.86;
}

/* ---------- Grid container queries (block-level responsive) ---------- */
.arech-ig__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    container-type: inline-size;
}

@container (min-width: 680px) {
    .arech-ig--grid-3 .arech-ig__grid { grid-template-columns: repeat(2, 1fr); }
    .arech-ig--grid-4 .arech-ig__grid { grid-template-columns: repeat(2, 1fr); }
}

@container (min-width: 1024px) {
    .arech-ig--grid-3 .arech-ig__grid { grid-template-columns: repeat(3, 1fr); }
    .arech-ig--grid-4 .arech-ig__grid { grid-template-columns: repeat(3, 1fr); }
}

@container (min-width: 1440px) {
    .arech-ig--grid-4 .arech-ig__grid { grid-template-columns: repeat(4, 1fr); }
}

.arech-ig__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* ---------- Picture + image ---------- */
.arech-ig__media-link {
    display: block;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background-color: var(--dark-3);
    aspect-ratio: 4 / 3;
    transition: transform var(--motion-normal) var(--ease-standard);
}

.arech-ig__media-link:hover {
    transform: translateY(-2px);
}

.arech-ig__media-link:focus-visible {
    outline: 3px solid var(--orange);
    outline-offset: 2px;
}

.arech-ig__pic,
.arech-ig__pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--motion-slow) var(--ease-standard);
}

.arech-ig__media-link:hover .arech-ig__pic img,
.arech-ig__media-link:focus-visible .arech-ig__pic img {
    transform: scale(1.03);
}

/* When no lightbox link wraps the picture, still cap the height */
.arech-ig__item > .arech-ig__pic {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background-color: var(--dark-3);
}

/* ---------- Caption ---------- */
.arech-ig__caption {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.4;
    color: var(--muted-accessible);
    margin: 0;
}

/* ---------- Placeholder (no real images yet — TBD_OPERATOR) ---------- */
.arech-ig__placeholder {
    border: 1px dashed var(--muted);
    border-radius: var(--radius-sm);
    padding: var(--space-8) var(--space-5);
    text-align: center;
    color: var(--muted-accessible);
}

.arech-ig__placeholder-label {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0;
}

/* ---------- Reduced-motion: hard gate ---------- */
@media (prefers-reduced-motion: reduce) {
    .arech-ig__media-link,
    .arech-ig__pic img {
        transition: none;
    }
    .arech-ig__media-link:hover {
        transform: none;
    }
    .arech-ig__media-link:hover .arech-ig__pic img,
    .arech-ig__media-link:focus-visible .arech-ig__pic img {
        transform: none;
    }
}

/* ---------- Concrete edit-mode shim ---------- */
.ccm-edit-mode .arech-ig__media-link {
    pointer-events: none;
}

/* ---------- Print ---------- */
@media print {
    .arech-ig { background: #fff !important; color: #000 !important; }
    .arech-ig__media-link { pointer-events: none; }
    .arech-ig__caption { color: #000; }
}